SPECIAL PREMIERE: I saw Louis C.K. on his current stand-up comedy concert when it hit Philadelphia, and laughed loudly then at his opening words, which he uses again for this new, thoughtful, beautifully structured special “So, abortion…” And he really does open with a long discussion about abortion, followed, in quick order, by his equally incendiary and insightful thoughts about, in order, suicide, ISIS, and religion – and that’s just for starters. There’s